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黄anle 发表于 2014-6-7 12:01:18

求助，关于步进电机

u16 SinData[]=
{
0,25,50,75,100,125,150,175,200,225,250,275,300,325,350,374,399,424,448,473,
497,521,546,570,594,618,642,666,689,713,736,760,783,806,829,852,875,898,920,942,
965,987,1009,1030,1052,1074,1095,1116,1137,1158,1178,1199,1219,1239,1259,1279,1298,1318,1337,1356,
1375,1393,1411,1429,1447,1465,1482,1500,1517,1533,1550,1566,1582,1598,1614,1629,1644,1659,1674,1688,
1702,1716,1729,1743,1756,1768,1781,1793,1805,1817,1828,1840,1850,1861,1871,1881,1891,1901,1910,1919,
1927,1936,1944,1951,1959,1966,1973,1979,1986,1992,1997,2003,2008,2012,2017,2021,2025,2028,2032,2035,
2037,2039,2041,2043,2045,2046,2046,2047,/*128-->*/2047,2047,2046,2046,2045,2043,2041,2039,2037,2035,2032,2028,
2025,2021,2017,2012,2008,2003,1997,1992,1986,1979,1973,1966,1959,1951,1944,1936,1927,1919,1910,1901,
1891,1881,1871,1861,1850,1840,1828,1817,1805,1793,1781,1768,1756,1743,1729,1716,1702,1688,1674,1659,
1644,1629,1614,1598,1582,1566,1550,1533,1517,1500,1482,1465,1447,1429,1411,1393,1375,1356,1337,1318,
1298,1279,1259,1239,1219,1199,1178,1158,1137,1116,1095,1074,1052,1030,1009,987,965,942,920,898,
875,852,829,806,783,760,736,713,689,666,642,618,594,570,546,521,497,473,448,424,
399,374,350,325,300,275,250,225,200,175,150,125,100,75,50,25,/*256-->*/0,25,50,75,
100,125,150,175,200,225,250,275,300,325,350,374,399,424,448,473,497,521,546,570,
594,618,642,666,689,713,736,760,783,806,829,852,875,898,920,942,965,987,1009,1030,
1052,1074,1095,1116,1137,1158,1178,1199,1219,1239,1259,1279,1298,1318,1337,1356,1375,1393,1411,1429,
1447,1465,1482,1500,1517,1533,1550,1566,1582,1598,1614,1629,1644,1659,1674,1688,1702,1716,1729,1743,
1756,1768,1781,1793,1805,1817,1828,1840,1850,1861,1871,1881,1891,1901,1910,1919,1927,1936,1944,1951,
1959,1966,1973,1979,1986,1992,1997,2003,2008,2012,2017,2021,2025,2028,2032,2035,2037,2039,2041,2043,
2045,2046,2046,2047,/*384-->*/2047,2047,2046,2046,2045,2043,2041,2039,2037,2035,2032,2028,2025,2021,2017,2012,
2008,2003,1997,1992,1986,1979,1973,1966,1959,1951,1944,1936,1927,1919,1910,1901,1891,1881,1871,1861,
1850,1840,1828,1817,1805,1793,1781,1768,1756,1743,1729,1716,1702,1688,1674,1659,1644,1629,1614,1598,
1582,1566,1550,1533,1517,1500,1482,1465,1447,1429,1411,1393,1375,1356,1337,1318,1298,1279,1259,1239,
1219,1199,1178,1158,1137,1116,1095,1074,1052,1030,1009,987,965,942,920,898,875,852,829,806,
783,760,736,713,689,666,642,618,594,570,546,521,497,473,448,424,399,374,350,325,
300,275,250,225,200,175,150,125,100,75,50,25,/*512-->*/

};

//////////////////////////余弦表///////////////////////
u16 CosData[]=
{
2047,2047,2046,2046,2045,2043,2041,2039,2037,2035,2032,2028,2025,2021,2017,2012,2008,2003,1997,1992,
1986,1979,1973,1966,1959,1951,1944,1936,1927,1919,1910,1901,1891,1881,1871,1861,1850,1840,1828,1817,
1805,1793,1781,1768,1756,1743,1729,1716,1702,1688,1674,1659,1644,1629,1614,1598,1582,1566,1550,1533,
1517,1500,1482,1465,1447,1429,1411,1393,1375,1356,1337,1318,1298,1279,1259,1239,1219,1199,1178,1158,
1137,1116,1095,1074,1052,1030,1009,987,965,942,920,898,875,852,829,806,783,760,736,713,
689,666,642,618,594,570,546,521,497,473,448,424,399,374,350,325,300,275,250,225,
200,175,150,125,100,75,50,25,/*128-->*/0,25,50,75,100,125,150,175,200,225,250,275,
300,325,350,374,399,424,448,473,497,521,546,570,594,618,642,666,689,713,736,760,
783,806,829,852,875,898,920,942,965,987,1009,1030,1052,1074,1095,1116,1137,1158,1178,1199,
1219,1239,1259,1279,1298,1318,1337,1356,1375,1393,1411,1429,1447,1465,1482,1500,1517,1533,1550,1566,
1582,1598,1614,1629,1644,1659,1674,1688,1702,1716,1729,1743,1756,1768,1781,1793,1805,1817,1828,1840,
1850,1861,1871,1881,1891,1901,1910,1919,1927,1936,1944,1951,1959,1966,1973,1979,1986,1992,1997,2003,
2008,2012,2017,2021,2025,2028,2032,2035,2037,2039,2041,2043,2045,2046,2046,2047,/*256-->*/2047,2047,2046,2046,
2045,2043,2041,2039,2037,2035,2032,2028,2025,2021,2017,2012,2008,2003,1997,1992,1986,1979,1973,1966,
1959,1951,1944,1936,1927,1919,1910,1901,1891,1881,1871,1861,1850,1840,1828,1817,1805,1793,1781,1768,
1756,1743,1729,1716,1702,1688,1674,1659,1644,1629,1614,1598,1582,1566,1550,1533,1517,1500,1482,1465,
1447,1429,1411,1393,1375,1356,1337,1318,1298,1279,1259,1239,1219,1199,1178,1158,1137,1116,1095,1074,
1052,1030,1009,987,965,942,920,898,875,852,829,806,783,760,736,713,689,666,642,618,
594,570,546,521,497,473,448,424,399,374,350,325,300,275,250,225,200,175,150,125,
100,75,50,25,/*384-->*/0,25,50,75,100,125,150,175,200,225,250,275,300,325,350,374,
399,424,448,473,497,521,546,570,594,618,642,666,689,713,736,760,783,806,829,852,
875,898,920,942,965,987,1009,1030,1052,1074,1095,1116,1137,1158,1178,1199,1219,1239,1259,1279,
1298,1318,1337,1356,1375,1393,1411,1429,1447,1465,1482,1500,1517,1533,1550,1566,1582,1598,1614,1629,
1644,1659,1674,1688,1702,1716,1729,1743,1756,1768,1781,1793,1805,1817,1828,1840,1850,1861,1871,1881,
1891,1901,1910,1919,1927,1936,1944,1951,1959,1966,1973,1979,1986,1992,1997,2003,2008,2012,2017,2021,
2025,2028,2032,2035,2037,2039,2041,2043,2045,2046,2046,2047,/*512-->*/


};

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
int main(void)
{      
    u16 i1=0,i=16;      
      Stm32_Clock_Init(9); //系统时钟设置
      delay_init(72);             //延时初始化
      uart_init(72,9600);//串口初始化
      LED_Init();                           //初始化与LED连接的硬件接口
      Timer2_Init(3000,7199);//10Khz的计数频率，计数到10为1ms
      PWM_Init(4096,0);         //不分频。PWM频率=72000/4096=17.5Khz      
      delay_ms(100);
         while(1)
      {      

               LED0_PWM_VAL =SinData; //第1路pwm
                  LED1_PWM_VAL =CosData; //第2路pwm

               i1=i1+1;
               if(i1>512)
               i1=0;               
               delay_us(200);
                                                                                                                                 
      }         
}

这程序电机不转，问题出在哪里，求高手指点

gsnDragon 发表于 2014-6-7 12:10:20

……这和步进电机有什么关系？？步进电机又不是用PWM驱动的……

黄anle 发表于 2014-6-7 14:01:17

gsnDragon 发表于 2014-6-7 12:10
……这和步进电机有什么关系？？步进电机又不是用PWM驱动的……

步进电机的驱动芯片是L6205。

http://www.amobbs.com/thread-5583513-1-1.html

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